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by E-Computer Concepts 1 year ago

Spiral Model

The Spiral Model combines elements of the waterfall lifecycle model, along with an emphasis on the use of risk management techniques. Bohem proposed a spiral model where each round of the spiral: Identifies the sub-problem which...

by E-Computer Concepts 1 year ago

Prototype Model

Prototype is based on the idea of developing an initial implementation for user feedback, and then refining this prototype through many versions until a satisfactory system emerges. Prototyping is also referred to as evolutionary development....

by E-Computer Concepts 1 year ago

Waterfall Model

The Waterfall Model was introduced by Winston Royce in 1970 and is currently the most commonly used model for software development. The waterfall model is an engineering model designed to apply to the development of software. The idea...

by E-Computer Concepts 1 year ago

Build and Fix Lifecycle Model

This is also known as an Ad-hoc Model. This is the original and probably most widely used software lifecycle model or process model. It is unfortunate that many software products are developed using what what might be termed as the...

by E-Computer Concepts 1 year ago

Software Lifecycle Models

The various activities that are undertaken when developing software are commonly modelled as a software development lifecycle (SDLC). The software development lifecycle begins with the identification of requirements for software and ends...